Bank consolidation is a global phenomenon. It may enhance the value of firms in the industry if, for example, it is driven by scale and scope economies, but skeptics often accuse bankers of sacrificing value to build empires. Using data on bank holding companies in the U.S., we find strong...

In recent years banks have had to operate in an increasingly competitive environment. How banks will be affected by the increased competitive pressures depends in part on how efficiently they are run.<p> <p> This paper uses the stochastic econometric cost frontier approach to study efficiency at banks...</p></p>

Cost functions and cost efficiency are commonly estimated for industries with detailed data on production and cost, both for firms that are for profit as well as not for profit. The data on not-for-profits obtained from the IRS Form 990 lack these details and, consequently, encourage...

Earlier studies found little evidence of scale economies at large banks; later studies using data from the 1990s uncovered such evidence, providing a rationale for very large banks seen worldwide. Using more recent data, we estimate scale economies using two production models. The standard...